Several trade study sessions were conducted to survey a wide range of mission architectures that could meet, to varying degrees, the National Research Council (NRC) Mars Science Panel's proposed science objectives of a Mars Geophysical Network (MGN) mission. Nine architectures in total were investigated, five of which were targeted at New Frontiers class missions. Two Discovery class missions and two Missions of Opportunity (MOOs) were also considered. The architectures considered varied in the size of networks deployed, from one to three stations. Three different entry, descent and landing (EDL) architectures were considered -- powered descent, airbags, and rough landers. Three different cruise architectures were also assessed -- one in which each lander would cruise from Earth to Mars independently (free flyers), another in which three landers would be carried together by a single cruise stage, and lastly, a secondary payload architecture in which a lander would be carried as part of another mission's payload, in the case of the MOO options.